Home / 51,260.70-76,891.05-31,475.10

Finding the Fourth Proportional to 51,260.70, 76,891.05 and 31,475.10

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Solution

The fourth proportional to 51,260.70, 76,891.05 and 31,475.10 is: 47,212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,260.70 : 76,891.05 = 31,475.10 : x
  2. Step 2: Convert to fraction form
    51,260.70/76,891.05 = 31,475.10/x
  3. Step 3: Cross multiply
    51,260.70x = 76,891.05 × 31,475.10
  4. Step 4: Simplify right side
    51,260.70x = 2,420,153,487.86
  5. Step 5: Solve for x
    x = 2,420,153,487.86/51,260.70
  6. Step 6: Final answer
    x = 47,212.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.